X lives 4 kilometers due west of Y's house. Z lives 6 kilometers due north of Y's house and 4 kilometers due west of T's house. What is the straight-line distance in kilometers from X's house to T's house?

If one number exceeds another number by 13 and the larger number is 3/2 times the smaller number. Then the sma...

In a class of 120 students, 60 percent can speak French and the rest can speak only English. If 25 percent of...

After filling the car's fuel tank, a driver drove from P to Q and then to R. He used 2/5 of the fuel driving f...

A train went 300 miles from X to Y at an average speed of 80 mph. At what speed did it travel on the way back...

What is the largest number of apples not exceeding 440 that can be distributed among three persons in the prop...

A man has to go 10 km to catch a bus. He walks part of the way at 7 km/hr and runs the rest of the way at 12 k...